At One Click Purchasing, we are your reliable source for the NSN part M-AC990B manufactured by Rhine Air Inc. We carry a wide range of popular NSN items on our website, including Muffler Exhaust like part number M-AC990B which is listed with the NSN 2990014421795 for easy identification. If you are interested in M-AC990B item, then take the advantage of our online RFQ service, or peruse our website as you see fit to find other items of interest that you may wish to learn more about.